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Where are the fuses for the Injectors and fuel pump located as well as the relays, do you know what they are marked as? its a 1991 R3500 chevrolet

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  • Cars & Trucks Master
  • 78,267 Answers

The fuses are marked ECM.

Posted on Nov 07, 2012

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Posted on Jan 02, 2017

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keemo68
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SOURCE: fuel pump relay

generally th e markings are either in the cover or you can look in your owners manual and it will show the fuses and relays and their purpose and location. please rate this solution

Posted on Aug 30, 2008

daves944
  • 1050 Answers

SOURCE: fuel pump relay location

There may be a fuel pump fuse or connection you can undo but the relay is integrated with the entire injection system. If you disconnect it, you will lose spark as well. I would look through the fuse box first, I will drag out my wiring diagram in the morning and give you more specific details.

Posted on Mar 26, 2009

bluelightnin
  • 35 Answers

SOURCE: Fuel relay placement 1991 Buick LeSabre. Replaced pump & filter still won't start

Your vehicle's fuel pump relay is located on the relay center, behind the glove box, 2nd column of relays, 2nd one from the top.

Posted on May 23, 2009

  • 1 Answer

SOURCE: trying to locate fuel pump relay for 1991 corvette- coupe

The fuel pump relay in the 1991 corvette is located under the IP on the pass side.
Open pass door, unscrew two screws under the glovebox (you will be upside down in the car), take off the fuse panel, unscrew third screw to plastic plate underneath glovebox, pull away carpet (velcro), pull down plastic plate (watch out for the wiring to the lamp), then under the glovebox you will find a number of fuses and relays if you dive in under there DEEP, prob 4 or 5 in a row, not really sure wich one, but one in the middle is the fuel relay, and they are the same (interchangable).
Take a look at --the12volt.com/relays/relays.asp--
It´s those relays we are talking about.

Posted on Sep 12, 2009

  • 7 Answers

SOURCE: no power to fuel injectors or fuel pump

sometimes the relays can be found underneath the carpets or plastic panels under the dash. have you checked the fuses?

Posted on Sep 21, 2009

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Take a look at --the12volt.com/relays/relays.asp--
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